Respuesta :
you round 4020 to 4000
round 16 to 20
then divide 4000 by 20
once you divide the answer is 200
round 16 to 20
then divide 4000 by 20
once you divide the answer is 200
4020/16 original problem
4000/20 estimated problem
200 answer
4000/20 estimated problem
200 answer
